SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 1) - USD ($)  | 
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2021  | 
Jun. 30, 2020  | 
Jun. 30, 2021  | 
Jun. 30, 2020  | 
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| Total noncash stock compensation expense | $ 561,000 | $ 397,000 | $ 972,000 | $ 1,099,000 | 
| Sales, Marketing and Advertising [Member] | ||||
| Total noncash stock compensation expense | 237,000 | 197,000 | 420,000 | 395,000 | 
| Technology Platform and Infrastructure [Member] | April 2020 [Member] | ||||
| Total noncash stock compensation expense | 24,000 | 59,000 | 57,000 | 148,000 | 
| General and Administrative [Member] | ||||
| Total noncash stock compensation expense | $ 300,000 | $ 1,410,000 | $ 495,000 | $ 556,000 | 
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- Definition Amount of noncash expense (reversal of expense) for employee benefits and share-based payment arrangement. Includes, but is not limited to, pension, other postretirement, postemployment and termination benefits. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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